Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a observação quando a classificação é inferior a 2?
 ###Tabelas: CREATE TABLE singles:_7_4_titles_3_runner-ups (singles:_7_4_titles_3_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date (Final) VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE administration (administration_id AUTO_INCREMENT PRIMARY KEY, English name VARCHAR, Original name VARCHAR, Area in km² INT, Population at 2010 Census INT, Number of settlements and villages INT) CREATE TABLE points_system (points_system_id AUTO_INCREMENT PRIMARY KEY, Distance VARCHAR, 10th INT, 11th INT, 12th INT, 13th INT, 14th INT, 15th INT, 16th INT, 17th INT, 18th INT, 19th INT, 20th INT, 21st INT, 22nd INT, 23rd INT, 24th INT, 25th INT, 26th INT, 27th INT, 28th INT, 29th INT, 30th INT, 31st INT, 32nd INT) CREATE TABLE semifinal_a_b_2 (semifinal_a_b_2_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Athlete VARCHAR, Country VARCHAR, Time VARCHAR, Notes VARCHAR) CREATE TABLE winners (winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Dates VARCHAR, Champion VARCHAR, Country VARCHAR, Score VARCHAR, Tournament Location VARCHAR, Purse VARCHAR, Winner's Share VARCHAR)  
SELECT Notes FROM semifinal_a_b_2 WHERE Rank < 2